Screw with multi-thread structure

Abstract

The screw of the multi-thread structure comprises a first screw rod and a first hexagon nut, a plurality of sets of fastening mechanisms are fixedly connected to the bottom of the first screw rod, penetrating grooves are formed in the first screw rod and the first hexagon nut in a penetrating mode, a first thread groove is formed in each penetrating groove, and a second thread groove is formed in each first thread groove. And the interior of the through groove is in threaded connection with a driving mechanism for driving the multiple sets of fastening mechanisms to open and reinforce. The whole device can be rotated and fastened by arranging the first screw rod and the first hexagon nut, so that the first screw rod and the fastening mechanism can be rotated to the position needing to be reinforced, and then the driving mechanism installed in the penetrating groove and the first threaded groove is rotated to enable the driving mechanism to move downwards along the interior of the first threaded groove; in this way, the moving driving mechanism can push the multiple sets of fastening mechanisms to be opened, secondary reinforcement can be conducted on the whole device through the opened fastening mechanisms due to the arrangement of the multiple threads, and therefore the anti-skid fastening effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a screw with a multi-thread structure. Background Art

[0002] Screws are tools that use the physical and mathematical principles of the circular rotation of the inclined surface of an object and the friction force to gradually fasten objects and parts. Screws are a general term for fasteners and a daily colloquialism. Screws are indispensable industrial necessities in daily life: such as very small screws used in cameras, glasses, clocks, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, etc.; large screws and nuts are used in engineering, construction, and bridges; and large and small screws are used in transportation equipment, airplanes, trams, and cars.

[0003] When the screws are used, the long-term operation of the fastening equipment may cause the screws to shake and become thread-loose due to vibration and other reasons, thus affecting the normal use of the screws. For this reason, we propose a screw with a multi-thread structure. Utility Model Content

[0004] The utility model aims to provide a screw with a multi-thread structure to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screw with a multi-thread structure, comprising a first screw rod, a first hexagonal nut is fixedly connected to the top of the first screw rod, a plurality of fastening mechanisms are fixedly connected to the bottom of the first screw rod, a through groove is penetrated through the first screw rod and the first hexagonal nut, a first thread groove is provided inside the through groove, and a driving mechanism for driving the plurality of fastening mechanisms to open and reinforce is connected to the internal thread of the through groove.

[0006] Furthermore, the fastening mechanism includes a fastening plate, a second threaded groove, a screw-in plate and a driving block. The fastening plate is fixedly installed at the bottom of the first screw rod. The second threaded groove is provided on the fastening plate. The bottom of the fastening plate is fixedly connected with a conical screw-in plate. The inner wall of the fastening plate is fixedly connected with a driving block which is inclined on one side.

[0007] Furthermore, the driving mechanism includes a second screw, a second hexagonal nut, a connecting rod and a driving ball. The second screw is threadedly connected to the first thread groove. The top of the second screw is fixedly connected to the second hexagonal nut. The bottom of the second screw is fixedly connected to the driving ball through the connecting rod. The driving ball is configured to be spherical, and the outer wall of the driving ball fits with the driving block.

[0008] Furthermore, an operating groove is provided on the second hexagonal nut, and the operating groove is arranged in a cross shape.

[0009] Furthermore, the first screw rod and the first hexagonal nut as well as the second screw rod and the second hexagonal nut are integrally formed.

[0010] Furthermore, the diameter of the driving ball is smaller than the diameter of the through groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model can rotate and tighten the entire device by setting the first screw and the first hexagonal nut, so that the first screw and the tightening mechanism can be rotated to the position that needs to be reinforced, and then the driving mechanism installed in the through groove and the first thread groove can be rotated to move the driving mechanism downward along the first thread groove, so that the moving driving mechanism can push multiple groups of tightening mechanisms to open, so that the multi-thread setting can use the opened tightening mechanism to perform secondary reinforcement on the entire device, thereby achieving the effect of anti-slip tightening and preventing the entire device from falling off due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the connection structure of the first screw rod and the three-dimensional diagram of the fastening mechanism of the utility model;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the driving mechanism of the utility model.

[0015] In the figure: 1 first screw rod, 2 first hexagonal nut, 3 fastening mechanism, 4 through groove, 5 first thread groove, 6 driving mechanism, 7 fastening plate, 8 second thread groove, 9 screw-in plate, 10 driving block, 11 second screw rod, 12 second hexagonal nut, 13 operating groove, 14 connecting rod, 15 driving ball. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-Figure 3The utility model provides a technical solution: a screw with a multi-thread structure, including a first screw rod 1, a first hexagonal nut 2 is fixedly connected to the top of the first screw rod 1, a plurality of fastening mechanisms 3 are fixedly connected to the bottom of the first screw rod 1, a through groove 4 is penetrated through the first screw rod 1 and the first hexagonal nut 2, a first thread groove 5 is formed inside the through groove 4, and a driving mechanism 6 for driving the plurality of fastening mechanisms 3 to open and reinforce is connected to the internal thread of the through groove 4.

[0018] Among them, by setting the first screw 1 and the first hexagonal nut 2, the entire device can be rotated and tightened, so that the first screw 1 and the tightening mechanism 3 can be rotated to the position that needs to be reinforced, and then the driving mechanism 6 installed inside the through groove 4 and the first thread groove 5 can be rotated to move the driving mechanism 6 downward along the inside of the first thread groove 5. The moving driving mechanism 6 can push multiple groups of tightening mechanisms 3 to open, so that the opened tightening mechanism 3 can be used to perform secondary reinforcement on the entire device, thereby achieving an anti-slip tightening effect and preventing the entire device from falling off due to vibration.

[0019] See also Figure 1 , Figure 2 and Figure 3 The fastening mechanism 3 includes a fastening plate 7, a second thread groove 8, a screw-in plate 9 and a driving block 10. The fastening plate 7 is fixedly installed at the bottom of the first screw 1. The fastening plate 7 is provided with a second thread groove 8. The bottom of the fastening plate 7 is fixedly connected with a conical screw-in plate 9. The inner wall of the fastening plate 7 is fixedly connected with a driving block 10 which is tilted on one side. The driving mechanism 6 includes a second screw 11, a second hexagonal nut 12, a connecting rod 14 and a driving ball 15. The second screw 11 is threadedly connected to the first thread groove 5. The top of the second screw 11 is fixedly connected with the second hexagonal nut 12. The bottom of the second screw 11 is fixedly connected with the driving ball 15 through the connecting rod 14. The driving ball 15 is set to be spherical, and the outer wall of the driving ball 15 fits with the driving block 10.

[0020] Among them, after the first screw 1, the first hexagonal nut 2 and the fastening mechanism 3 are rotated to the position that needs to be reinforced, the second hexagonal nut 12 is rotated to make the second screw 11 move down along the first thread groove 5, and then the connecting rod 14 and the driving ball 15 can be used to move down, and then the continuous downward movement of the driving ball 15 can fit with the driving block 10 tilted on one side, and then the continuous descent of the driving ball 15 can make the driving block 10 and the fastening plate 7 slightly open along the first screw 1, so that they can cooperate with the external nuts to prevent the nuts from detaching to the left and right to complete the secondary tightening.

[0021] See also Figure 1 and Figure 3The second hexagonal nut 12 is provided with an operating groove 13, and the operating groove 13 is arranged in a "cross" shape. The arrangement of the "cross"-shaped operating groove 13 facilitates the second hexagonal nut 12 and the second screw rod 11 to move and tighten along the first thread groove 5.

[0022] See also Figure 1 and Figure 3 The first screw 1 and the first hexagonal nut 2 as well as the second screw 11 and the second hexagonal nut 12 are all integrally formed. The integrally formed first screw 1 and the first hexagonal nut 2 as well as the second screw 11 and the second hexagonal nut 12 can prevent the entire device from bending and deforming during use.

[0023] See also Figure 1 , Figure 2 and Figure 3 The diameter of the driving ball 15 is smaller than the diameter of the through groove 4. The diameter of the driving ball 15 is smaller than the diameter of the through groove 4, which can facilitate the removal of the driving mechanism 6 from the inside of the first thread groove 5, thereby facilitating the removal of the entire device.

[0024] When in use, first, by setting the first screw rod 1 and the first hexagonal nut 2, the entire device can be rotated and tightened, so that the first screw rod 1 and the tightening mechanism 3 can be rotated to the position that needs to be reinforced, and then the driving mechanism 6 installed in the through groove 4 and the first thread groove 5 can be rotated to make the driving mechanism 6 move downward along the first thread groove 5, so that the moving driving mechanism 6 can push the multiple sets of tightening mechanisms 3 to open, so that the opened tightening mechanism 3 can be used to perform secondary reinforcement on the entire device, thereby achieving the effect of anti-slip tightening and preventing the entire device from falling off due to vibration. When the first screw rod 1, the first hexagonal nut 2 and the tightening mechanism 3 are rotated After turning to the position that needs to be reinforced, rotate the second hexagonal nut 12 to move the second screw rod 11 down along the first thread groove 5, and then use the connecting rod 14 and the driving ball 15 to move down. Then, the continuous downward movement of the driving ball 15 can fit with the driving block 10 tilted on one side. Then, the continuous descent of the driving ball 15 can make the driving block 10 and the fastening plate 7 slightly open along the first screw rod 1, so that they can cooperate with the external nut to prevent the nut from detaching to the left and right to complete the secondary tightening. The diameter of the driving ball 15 is smaller than the diameter of the through groove 4, which can facilitate the removal of the driving mechanism 6 from the inside of the first thread groove 5, thereby facilitating the removal of the entire device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw with a multi-thread structure, comprising a first screw rod (1), the top of which is fixedly connected to a first hexagonal nut (2), characterized in that: The bottom of the first screw rod (1) is fixedly connected to a plurality of sets of fastening mechanisms (3); a through groove (4) is formed through the first screw rod (1) and the first hexagonal nut (2); a first thread groove (5) is formed inside the through groove (4); and a driving mechanism (6) for driving the plurality of sets of fastening mechanisms (3) to open and reinforce is connected to the internal threads of the through groove (4).

2. A screw with a multi-thread structure according to claim 1, characterized in that: The fastening mechanism (3) comprises a fastening plate (7), a second thread groove (8), a screw-in plate (9) and a driving block (10); the fastening plate (7) is fixedly mounted on the bottom of the first screw rod (1); the second thread groove (8) is provided on the fastening plate (7); the bottom of the fastening plate (7) is fixedly connected to a conical screw-in plate (9); and the inner wall of the fastening plate (7) is fixedly connected to a driving block (10) which is arranged obliquely on one side.

3. A screw with a multi-thread structure according to claim 2, characterized in that: The driving mechanism (6) comprises a second screw rod (11), a second hexagonal nut (12), a connecting rod (14) and a driving ball (15); the second screw rod (11) is threadedly connected to the first thread groove (5); the top of the second screw rod (11) is fixedly connected to the second hexagonal nut (12); the bottom of the second screw rod (11) is fixedly connected to the driving ball (15) via the connecting rod (14); the driving ball (15) is configured to be spherical, and the outer wall of the driving ball (15) is in contact with the driving block (10).

4. A screw with a multi-thread structure according to claim 3, characterized in that: The second hexagonal nut (12) is provided with an operating groove (13), and the operating groove (13) is arranged in a "cross" shape.

5. The screw with a multi-thread structure according to claim 4, characterized in that: The first screw rod (1) and the first hexagonal nut (2) as well as the second screw rod (11) and the second hexagonal nut (12) are all integrally formed.

6. The screw with a multi-thread structure according to claim 4, characterized in that: The diameter of the driving ball (15) is smaller than the diameter of the through groove (4).

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